diff --git a/README.md b/README.md
index 1a12cdc..c7fba93 100644
--- a/README.md
+++ b/README.md
@@ -9,11 +9,15 @@
 - System packages added: `syncthing`, `uv`, `vscodium`, `waydroid`;
 - System flatpaks added: Telegram Desktop, Zen Browser
 
-## First login behavior
+## First login
 - Triggers for each non-root user on their first session.
 - Writes state to `~/.local/state/deinonyxus/curator-init.done`; delete it to rerun.
 - Bootstraps `~/.config/curator/inventory.toml` and runs `curator switch` with the packages set above.
 
+## Just Recipes
+- `upgrade-nix`: upgrades to the latest version of Lix via the user profile. Replaces `nix upgrade-nix` which does not work with an immutable lowerdir `/nix/store` folder
+- `install-nix-software-center`: installs a graphical app store for Nix packages
+
 ## Install / Rebase
 
 ```bash
@@ -30,7 +34,7 @@ The `latest` tag always tracks the latest build for the Fedora base set in `reci
 
 ## Building locally
 ```bash
-bluebuild build --recipe recipes/recipe.yml
+bluebuild build
 ```
 
 ## Signature verification
diff --git a/files/justfiles/nixpkgs.just b/files/justfiles/nixpkgs.just
new file mode 100644
index 0000000..9ba6977
--- /dev/null
+++ b/files/justfiles/nixpkgs.just
@@ -0,0 +1,7 @@
+upgrade-nix:
+    echo 'Installing latest Lix package'
+    nix profile install nixpkgs#lix && nix upgrade-nix
+
+install-nix-software-center:
+    echo 'Installing Nix Software Center'
+    nix profile install github:snowfallorg/nix-software-center
\ No newline at end of file
diff --git a/files/scripts/install-nix.sh b/files/scripts/install-lix.sh
similarity index 71%
rename from files/scripts/install-nix.sh
rename to files/scripts/install-lix.sh
index 14fdf75..59ba7dc 100755
--- a/files/scripts/install-nix.sh
+++ b/files/scripts/install-lix.sh
@@ -1,6 +1,8 @@
 #!/usr/bin/env bash
 set -euo pipefail
 
+# === INSTALL LIX FROM RPM ===
+
 rpm_url="https://nix-community.github.io/nix-installers/lix/x86_64/lix-multi-user-2.91.1.rpm"
 
 install -d /usr/share/nix-store /var/lib/nix-store /var/cache/nix-store /nix /etc/nix
@@ -11,6 +13,9 @@ export SYSTEMD_OFFLINE=1
 # Install the RPM; allow missing GPG key since we fetch directly by URL.
 dnf install -y --nogpgcheck "$rpm_url"
 
+
+# === ADD MISSING LIX CACHE ACCESS PUBKEY ===
+
 nix_conf=/etc/nix/nix.conf
 lix_cache_url="https://cache.lix.systems/"
 lix_cache_key="cache.lix.systems:aBnZUw8zA7H35Cz2RyKFVs3H4PlGTLawyY5KRbvJR8o="
@@ -35,14 +40,8 @@ ensure_list_value() {
 ensure_list_value "substituters" "$lix_cache_url"
 ensure_list_value "trusted-public-keys" "$lix_cache_key"
 
-# # Ensure the overlay mount service is enabled so /nix is populated on boot.
-# mkdir -p /etc/systemd/system/multi-user.target.wants
-# ln -sf /usr/lib/systemd/system/nix-overlay.service /etc/systemd/system/multi-user.target.wants/nix-overlay.service
+# === MOVE INITIAL NIX STORE TO LOWERDIR ===
 
-# Move the pre-populated store out of /nix so it can serve as the immutable lowerdir.
 if compgen -G "/nix/*" >/dev/null; then
   mv /nix/* /usr/share/nix-store/
 fi
-
-# The RPM %post handles sysusers/tmpfiles; if we ran with SYSTEMD_OFFLINE the
-# post scripts are still executed, so no extra calls are needed here.
diff --git a/files/system/usr/libexec/deinonyxus/curator.sh b/files/system/usr/libexec/deinonyxus/curator.sh
index 84dcc6c..4fc2b1c 100755
--- a/files/system/usr/libexec/deinonyxus/curator.sh
+++ b/files/system/usr/libexec/deinonyxus/curator.sh
@@ -6,6 +6,4 @@ curator_git="--from git+https://codeberg.org/randogoth/curator/"
 uvx $curator_git curator init
 uvx $curator_git curator add nix:mc nix:micro nix:devbox
 uvx $curator_git curator switch
-uv tool install $curator_git curator
-
-nix upgrade-nix
\ No newline at end of file
+uv tool install $curator_git curator
\ No newline at end of file
diff --git a/recipes/recipe.yml b/recipes/recipe.yml
index a16ff15..4d5ccf6 100644
--- a/recipes/recipe.yml
+++ b/recipes/recipe.yml
@@ -3,7 +3,7 @@
 # image will be published to ghcr.io/<user>/<name>
 name: deinonyxus
 # description will be included in the image's metadata
-description: This is my personal spin based on the latest bluefin image.
+description: Bluefin DX with Nix and sprinkles.
 
 # the base image to build on top of (FROM) and the version tag to use
 base-image: ghcr.io/ublue-os/bluefin-dx
@@ -20,7 +20,7 @@ modules:
 
   - type: script
     scripts:
-      - install-nix.sh
+      - install-lix.sh
 
   - type: systemd
     system:
@@ -60,6 +60,10 @@ modules:
         - containerd
         - moby-engine
 
+  - type: justfiles
+    include:
+      - nixpkgs.just
+
   - type: default-flatpaks
     configurations:
       - notify: true # Send notification after install/uninstall is finished (true/false)